EP0136519A3 - Air-fuel ratio control apparatus for internal combustion engines - Google Patents

Air-fuel ratio control apparatus for internal combustion engines Download PDF

Info

Publication number
EP0136519A3
EP0136519A3 EP19840110073 EP84110073A EP0136519A3 EP 0136519 A3 EP0136519 A3 EP 0136519A3 EP 19840110073 EP19840110073 EP 19840110073 EP 84110073 A EP84110073 A EP 84110073A EP 0136519 A3 EP0136519 A3 EP 0136519A3
Authority
EP
Grant status
Application
Patent type
Prior art keywords
air
internal combustion
control apparatus
fuel ratio
combustion engines
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP19840110073
Other versions
EP0136519A2 (en )
EP0136519B1 (en )
Inventor
Yoshishige Oyama
Mamoru Fujieda
Teruo Yamauchi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D41/00Electrical control of supply of combustible mixture or its constituents
    • F02D41/02Circuit arrangements for generating control signals
    • F02D41/14Introducing closed-loop corrections
    • F02D41/1438Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
    • F02D41/1477Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the regulation circuit or part of it,(e.g. comparator, PI regulator, output)
    • F02D41/1479Using a comparator with variable reference
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D41/00Electrical control of supply of combustible mixture or its constituents
    • F02D41/02Circuit arrangements for generating control signals
    • F02D41/14Introducing closed-loop corrections
    • F02D41/1438Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
    • F02D41/1486Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor with correction for particular operating conditions
EP19840110073 1983-08-24 1984-08-23 Air-fuel ratio control apparatus for internal combustion engines Expired EP0136519B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP15320383A JPH0713493B2 (en) 1983-08-24 1983-08-24 The air-fuel ratio control system for an internal combustion engine
JP153203/83 1983-08-24

Publications (3)

Publication Number Publication Date
EP0136519A2 true EP0136519A2 (en) 1985-04-10
EP0136519A3 true true EP0136519A3 (en) 1985-12-18
EP0136519B1 EP0136519B1 (en) 1989-11-08

Family

ID=15557293

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19840110073 Expired EP0136519B1 (en) 1983-08-24 1984-08-23 Air-fuel ratio control apparatus for internal combustion engines

Country Status (5)

Country Link
US (1) US4561403A (en)
EP (1) EP0136519B1 (en)
JP (1) JPH0713493B2 (en)
KR (1) KR850001964A (en)
DE (1) DE3480416D1 (en)

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JPH0228699B2 (en) * 1984-02-15 1990-06-26 Honda Motor Co Ltd
JPH0531646B2 (en) * 1984-04-28 1993-05-13 Toyota Motor Co Ltd
JPH0531643B2 (en) * 1984-05-07 1993-05-13 Toyota Motor Co Ltd
JPH051368B2 (en) * 1985-01-18 1993-01-08 Mazda Motor
JPS61187570A (en) * 1985-02-16 1986-08-21 Honda Motor Co Ltd Intake secondary air feeder of internal-combustion engine
US4745741A (en) * 1985-04-04 1988-05-24 Toyota Jidosha Kabushiki Kaisha Double air-fuel ratio sensor system having improved response characteristics
JPH0585740B2 (en) * 1985-04-04 1993-12-08 Mazda Motor
GB2173924B (en) * 1985-04-16 1989-05-04 Honda Motor Co Ltd Air-fuel ratio control system for an internal combustion engine with a transmission gear responsive correction operation
JPS61247868A (en) * 1985-04-25 1986-11-05 Mazda Motor Corp Engine ignition timing control device
CA1268529A (en) * 1985-07-31 1990-05-01 Toyota Jidosha Kabushiki Kaisha Double air-fuel ratio sensor system carrying out learning control operation
JPH0318019B2 (en) * 1985-09-11 1991-03-11 Mazda Motor
JPS62147033A (en) * 1985-12-19 1987-07-01 Toyota Motor Corp Air-fuel ratio control device for internal combustion engine
JPS62162746A (en) * 1986-01-10 1987-07-18 Nissan Motor Co Ltd Air-fuel ratio control device
JPS62223427A (en) * 1986-03-20 1987-10-01 Nissan Motor Co Ltd Air-fuel ratio controller
JP2507315B2 (en) * 1986-03-26 1996-06-12 株式会社日立製作所 Internal combustion engine control unit
JPH0819870B2 (en) * 1986-04-09 1996-02-28 富士重工業株式会社 Li - Nba - air-fuel ratio control system for an emission engine
JPS62247142A (en) * 1986-04-18 1987-10-28 Nissan Motor Co Ltd Air-fuel ratio controller for internal combustion engine
JP2601455B2 (en) * 1986-04-24 1997-04-16 本田技研工業株式会社 The air-fuel ratio control method for an internal combustion engine
DE3744859C2 (en) * 1986-04-24 1994-08-18 Honda Motor Co Ltd Air-fuel ratio control for internal combustion engine
US4741311A (en) * 1986-04-24 1988-05-03 Honda Giken Kogyo Kabushiki Kaisha Method of air/fuel ratio control for internal combustion engine
US4770147A (en) * 1986-04-25 1988-09-13 Fuji Jukogyo Kabushiki Kaisha Air-fuel ratio control system for an engine
JPH081142B2 (en) * 1986-04-28 1996-01-10 マツダ株式会社 Air-fuel ratio control system for an engine
JP2947353B2 (en) * 1986-04-30 1999-09-13 本田技研工業株式会社 The air-fuel ratio control method for an internal combustion engine
DE3623195A1 (en) * 1986-07-10 1988-01-14 Volkswagen Ag Fuel supply system
JPS6388241A (en) * 1986-09-30 1988-04-19 Mitsubishi Electric Corp Air-fuel ratio control device for internal combustion engine
JP2579936B2 (en) * 1987-04-02 1997-02-12 マツダ株式会社 Air-fuel ratio control system for an engine with a supercharger
JPS6441637A (en) * 1987-08-08 1989-02-13 Mitsubishi Electric Corp Air-fuel ratio control device for internal combustion engine
JPH0758275B2 (en) * 1987-10-05 1995-06-21 株式会社日立製作所 Oxygen sensor
DE3741527A1 (en) * 1987-12-08 1989-06-22 Bosch Gmbh Robert Control / control system for an internal combustion engine
WO1989012739A1 (en) * 1988-06-14 1989-12-28 Nira Automotive Ab An arrangement for restricting the temperature of combustion engine exhaust gases
JP2621085B2 (en) * 1988-08-03 1997-06-18 本田技研工業株式会社 Fuel supply control system for an internal combustion engine
JPH0286936A (en) * 1988-09-22 1990-03-27 Honda Motor Co Ltd Air-fuel ratio feedback control method for internal combustion engine
DE3878932T2 (en) * 1988-12-10 1993-08-26 Bosch Gmbh Robert Adaptive mixture control in injection systems acceleration phase in the enrichment.
US5016596A (en) * 1989-05-01 1991-05-21 Honda Giken Kogyo K.K. Air-fuel ratio control method for internal combustion engines
JPH0660579B2 (en) * 1989-07-07 1994-08-10 マツダ株式会社 The fuel control system for an engine
JP2518717B2 (en) * 1990-04-24 1996-07-31 株式会社ユニシアジェックス The cooling system of an internal combustion engine
JPH04209940A (en) * 1990-12-10 1992-07-31 Nippondenso Co Ltd Air-fuel ratio control device for engine
US5211147A (en) * 1991-04-15 1993-05-18 Ward Michael A V Reverse stratified, ignition controlled, emissions best timing lean burn engine
JP2678985B2 (en) * 1991-09-18 1997-11-19 本田技研工業株式会社 Air-fuel ratio control system for an internal combustion engine
JP2745898B2 (en) * 1991-10-16 1998-04-28 日産自動車株式会社 Output control device for an internal combustion engine
JP2924547B2 (en) * 1993-03-19 1999-07-26 日産自動車株式会社 The air-fuel ratio control system for an internal combustion engine
DE69432369D1 (en) * 1993-07-26 2003-04-30 Hitachi Ltd Control unit for vehicle
US6009370A (en) 1993-07-26 1999-12-28 Hitachi, Ltd. Control unit for vehicle and total control system therefor
US5685283A (en) * 1994-07-01 1997-11-11 Mazda Motor Corporation Air-fuel ratio control system for engine
JP3692618B2 (en) * 1995-08-29 2005-09-07 株式会社デンソー The air-fuel ratio control system for an internal combustion engine
DE19609923B4 (en) * 1996-03-14 2007-06-14 Robert Bosch Gmbh A method for monitoring an overheating protection measure, in full-load operation of an internal combustion engine
JPH10159629A (en) * 1996-12-04 1998-06-16 Nissan Motor Co Ltd Air-fuel ratio controller for engine
US6138650A (en) * 1999-04-06 2000-10-31 Caterpillar Inc. Method of controlling fuel injectors for improved exhaust gas recirculation
US7216638B1 (en) * 2006-07-06 2007-05-15 Brunswick Corporation Control of exhaust gas stoichiometry with inducted secondary air flow

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2135996A5 (en) * 1971-04-02 1972-12-22 Bosch Gmbh Robert
US4088095A (en) * 1975-05-20 1978-05-09 Nissan Motor Company, Limited Closed-loop mixture control system for an internal combustion engine using a differential amplifier with a reference voltage variable according to engine operating parameters
US4140086A (en) * 1976-08-25 1979-02-20 Robert Bosch Gmbh Apparatus for adjusting the combustible mixture of an internal combustion engine
US4163433A (en) * 1975-12-27 1979-08-07 Nissan Motor Company, Limited Air/fuel ratio control system for internal combustion engine having compensation means for variation in output characteristic of exhaust sensor
EP0005613A2 (en) * 1978-05-15 1979-11-28 Allied Corporation Temperature circuit for oxygen sensor during warm-up
US4235204A (en) * 1979-04-02 1980-11-25 General Motors Corporation Fuel control with learning capability for motor vehicle combustion engine
US4300507A (en) * 1975-02-25 1981-11-17 The Bendix Corporation System controlling any air/fuel ratio with stoichiometric sensor and asymmetrical integration
DE3330070A1 (en) * 1982-08-19 1984-02-23 Honda Motor Co Ltd Control procedures for the air-kraftstoffverhaeltnis an internal combustion engine for vehicles

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4109615A (en) * 1974-10-21 1978-08-29 Nissan Motor Company, Limited Apparatus for controlling the ratio of air to fuel of air-fuel mixture of internal combustion engine
DE2649272C2 (en) * 1976-05-22 1986-04-03 Robert Bosch Gmbh, 7000 Stuttgart, De
JPS5713733B2 (en) * 1977-03-30 1982-03-18
JPS6059418B2 (en) * 1977-05-31 1985-12-25 Nippon Denso Co
JPS6045297B2 (en) * 1977-07-22 1985-10-08 Hitachi Ltd
JPS6354887B2 (en) * 1978-06-02 1988-10-31 Hitachi Ltd
JPS5549550A (en) * 1978-10-02 1980-04-10 Aisan Ind Co Ltd Air-fuel ratio control device
JPS6213499B2 (en) * 1979-04-04 1987-03-26 Nippon Denso Co
US4245605A (en) * 1979-06-27 1981-01-20 General Motors Corporation Acceleration enrichment for an engine fuel supply system
JPS56115540U (en) * 1980-02-06 1981-09-04
US4272331A (en) * 1980-03-03 1981-06-09 Ford Motor Company Oscillatory mode oxygen sensor and method
US4359993A (en) * 1981-01-26 1982-11-23 General Motors Corporation Internal combustion engine transient fuel control apparatus
JPH0214975B2 (en) * 1981-07-15 1990-04-10 Nippon Denso Co
JPS5832942A (en) * 1981-08-20 1983-02-26 Toyota Motor Corp Intake device for internal-combustion engine
JPS5841231A (en) * 1981-09-03 1983-03-10 Nippon Denso Co Ltd Method of electronic controlling for fuel injection
US4483301A (en) * 1981-09-03 1984-11-20 Nippondenso Co., Ltd. Method and apparatus for controlling fuel injection in accordance with calculated basic amount
JPS5848748A (en) * 1981-09-17 1983-03-22 Toyota Motor Corp Method of controlling air-fuel ratio of internal- combustion engine
JPS5882040A (en) * 1981-11-11 1983-05-17 Hitachi Ltd Controller for air-fuel ratio

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2135996A5 (en) * 1971-04-02 1972-12-22 Bosch Gmbh Robert
US4300507A (en) * 1975-02-25 1981-11-17 The Bendix Corporation System controlling any air/fuel ratio with stoichiometric sensor and asymmetrical integration
US4088095A (en) * 1975-05-20 1978-05-09 Nissan Motor Company, Limited Closed-loop mixture control system for an internal combustion engine using a differential amplifier with a reference voltage variable according to engine operating parameters
US4163433A (en) * 1975-12-27 1979-08-07 Nissan Motor Company, Limited Air/fuel ratio control system for internal combustion engine having compensation means for variation in output characteristic of exhaust sensor
US4140086A (en) * 1976-08-25 1979-02-20 Robert Bosch Gmbh Apparatus for adjusting the combustible mixture of an internal combustion engine
EP0005613A2 (en) * 1978-05-15 1979-11-28 Allied Corporation Temperature circuit for oxygen sensor during warm-up
US4235204A (en) * 1979-04-02 1980-11-25 General Motors Corporation Fuel control with learning capability for motor vehicle combustion engine
DE3330070A1 (en) * 1982-08-19 1984-02-23 Honda Motor Co Ltd Control procedures for the air-kraftstoffverhaeltnis an internal combustion engine for vehicles

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENTS ABSTRACTS OF JAPAN, vol. 7, no. 112 (M-215)[1257], 17th May 1983; & JP-A-58 032 942 (TOYOTA JIDOSHA KOGYO K.K.) 26-02-1983 *

Also Published As

Publication number Publication date Type
KR850001964A (en) 1985-04-10 application
JPS6045742A (en) 1985-03-12 application
DE3480416D1 (en) 1989-12-14 grant
US4561403A (en) 1985-12-31 grant
JPH0713493B2 (en) 1995-02-15 grant
EP0136519A2 (en) 1985-04-10 application
EP0136519B1 (en) 1989-11-08 grant

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